Question

Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the

a.

presence of an inert atmosphere.

b.

presence of a reducing atmosphere.

c.

absence of air.

d.

presence of an oxidising atmosphere.

Answer: (c).absence of air.

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Q. Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the

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